@charset "utf-8";
/* ========== Catalogues 页面样式 ========== */
.breadcrumb {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--gray-600);
}
.breadcrumb a { color: var(--gray-600); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: var(--primary); font-weight: 600; }

/* 加载动画 */
.loading-spinner {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 40px;
}
.loading-spinner i {
  font-size: 2.5rem;
  color: var(--primary);
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.catalogues-grid {
  display: grid;
grid-template-columns: repeat(3, 545px); /* 固定列宽 */
gap: 32px;
margin-bottom: 64px;
justify-content: center;
}
.catalogue-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: var(--transition);
}
/* 固定封面尺寸 535x735 */
.card-cover {
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.95, 0.4, 1);
}
.catalogue-card:hover .card-cover {
  box-shadow: var(--shadow-xl), 0 0 0 3px var(--primary-light);
  transform: translateY(-8px);
}
.catalogue-card:hover .card-cover img { transform: scale(1.05); }
.cover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(35, 177, 127, 0.92) 0%, rgba(26, 150, 102, 0.92) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: opacity 0.4s ease;
  backdrop-filter: blur(2px);
}
.catalogue-card:hover .cover-overlay { opacity: 1; }
.download-icon-circle {
  width: 56px;
  height: 56px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.download-icon-circle i { font-size: 1.5rem; color: var(--primary); }
.cover-overlay:hover .download-icon-circle { transform: scale(1.1); }
.overlay-text {
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
}
.download-btn-hidden {
  background: white;
  border: none;
  padding: 10px 28px;
  border-radius: 60px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.25s;
}
.download-btn-hidden:hover {
  background: var(--primary-dark);
  color: white;
  transform: scale(1.02);
}
.card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 20px 18px;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0) 100%);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  transition: all 0.3s ease;
}
.card-category {
  display: inline-block;
  background: rgba(35, 177, 127, 0.9);
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 0.65rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.8);
}
.card-meta span { display: flex; align-items: center; gap: 5px; }
.card-meta span:first-child {
  text-transform: uppercase;
}
/* 分页样式 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin: 40px 0 60px;
  flex-wrap: wrap;
}
.page-btn {
  background: white;
  border: 1px solid var(--gray-200);
  padding: 8px 16px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.2s;
}
.page-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}
.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.batch-download {
  background: linear-gradient(135deg, var(--gray-50) 0%, #ffffff 100%);
  border-radius: var(--radius-xl);
  padding: 36px 48px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.batch-text h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}
.batch-text p { color: var(--gray-600); font-size: 0.9rem; }
.batch-btn {
  background: var(--primary);
  border: none;
  padding: 12px 32px;
  border-radius: 50px;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.batch-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(35, 177, 127, 0.3);
}

@media (max-width: 1400px) { .catalogues-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 1280px) {
  .site-wrapper { padding: 0 28px; padding-bottom: 150px; }
  .catalogue-hero h1 { font-size: 2.8rem; }
}
@media (max-width: 1000px) {
  .site-wrapper { padding: 0 24px; padding-bottom: 120px; }
  .catalogue-hero { padding: 40px 0 40px; }
  .catalogue-hero h1 { font-size: 2.2rem; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-catalogue { width: 100%; }
  .search-catalogue input { width: 100%; }
  .batch-download { flex-direction: column; text-align: center; padding: 32px 28px; }
}
@media (max-width: 768px) {
  .catalogues-grid { grid-template-columns: 1fr; }
  .catalogue-hero h1 { font-size: 1.8rem; }
  .catalogue-hero p { font-size: 1rem; }
  .category-btn { padding: 6px 18px; font-size: 0.75rem; }
  .site-wrapper { padding: 0 16px; padding-bottom: 80px; }
}